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puteri [66]
3 years ago
14

Problem Solving with Angles. Quiz. Level

Mathematics
1 answer:
Tpy6a [65]3 years ago
3 0

Answer:

I was too late to answer sorry

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A circular park has 36 m diameter. Amira jogs around it 5 times every morning. How far does Amira jog every day?
Sedaia [141]

Answer:

D=565.6m

Step-by-step explanation:

From the question we are told that:

Diameter d=36m

Number of times jogged N=5

Generally the equation for Distance traveled is mathematically given by

D=Circumference of Park * Number of times jogged

Where

Circumference of Park c is mathematically give as

 c=2\pi r

 c=2 3.142*\frac{36}{2}

 c=113.1

Therefore

 D=c*N

 D=113.1*5

 D=565.6m

8 0
3 years ago
Two days after a biology experiment there was 49 million bacteria present. Four days after the experiment there was 600.25 milli
nataly862011 [7]

Answer:

y=Ae^(1.25t)

Step-by-step explanation:

From the expression  y=Ae^kt

After two days of the experiment, y = 49 million, t=2

After four days of the experiment, y= 600.25 million, t=4

A is the amount of bacteria present at time zero  and t is the time after the experiment (in days)

At t=2 and y =49

 49=Ae^2k…………….. (1)

At t=4 and y = 600.25

600.25=Ae^4k………… (2)

Divide equation (2) by equation (1)

600.25/49=(Ae^4k)/(Ae^2k )

12.25=e^2k

Take natural log of both sides

ln⁡(12.25) =2k

2.505⁡ =2k

k=1.25

The exponential equation that models this situation is y=Ae^(1.25t)

8 0
3 years ago
Please solve I’m confused
snow_lady [41]

Answer:

A. the proper steps that should have been taking would be to first would be to raise 2 to the power of 3, which would give you 8. Then raise it to the power of 1. So the most likely error is C. they added the exponents.

4 0
3 years ago
Read 2 more answers
1. If AABC SADEF, DE=17, EF =13, DF =9, and BC = 2x-5, then which of the following is the correct
bulgar [2K]

Answer:

x=9

Step-by-step explanation:

<u><em>The correct question is</em></u>

If Triangle ABC is congruent with triangle DEF, DE=17, EF =13, DF =9, and BC = 2x-5, then which of the following is the correct  value of x?

we know that

If two triangles are congruent, then their corresponding sides and their corresponding angles, are congruent

In this problem

The corresponding sides are

AB and DE

AC and DF

BC and EF

The corresponding angles are

∠A and ∠D

∠B and ∠E

∠C and ∠F

so

AB≅DE

AC≅DF

BC≅EF

and

∠A≅∠D

∠B≅∠E

∠C≅∠F

<em>Find the value of x</em>

BC≅EF

substitute the given values

2x-5=13

Solve for x

2x=13+5

2x=18

x=9

4 0
4 years ago
Stacy decided that she would start doing sit– ups every day. Her plan each day was to do twice as many sit– ups as she had done
Illusion [34]
She would have done 256 sit-ups in one week.
7 0
3 years ago
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